Home / 82,280.80-123,336.15-44,761.60

Finding the Fourth Proportional to 82,280.80, 123,336.15 and 44,761.60

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Solution

The fourth proportional to 82,280.80, 123,336.15 and 44,761.60 is: 67,096.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,280.80 : 123,336.15 = 44,761.60 : x
  2. Step 2: Convert to fraction form
    82,280.80/123,336.15 = 44,761.60/x
  3. Step 3: Cross multiply
    82,280.80x = 123,336.15 × 44,761.60
  4. Step 4: Simplify right side
    82,280.80x = 5,520,723,411.84
  5. Step 5: Solve for x
    x = 5,520,723,411.84/82,280.80
  6. Step 6: Final answer
    x = 67,096.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.